WO2015064359A1 - Composition d'huile lubrifiante - Google Patents

Composition d'huile lubrifiante Download PDF

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Publication number
WO2015064359A1
WO2015064359A1 PCT/JP2014/077390 JP2014077390W WO2015064359A1 WO 2015064359 A1 WO2015064359 A1 WO 2015064359A1 JP 2014077390 W JP2014077390 W JP 2014077390W WO 2015064359 A1 WO2015064359 A1 WO 2015064359A1
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WO
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Prior art keywords
acid
carbon atoms
oil composition
group
hydrocarbon group
Prior art date
Application number
PCT/JP2014/077390
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English (en)
Japanese (ja)
Inventor
八木下　和宏
直史 置塩
Original Assignee
Ｊｘ日鉱日石エネルギー株式会社
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Application filed by Ｊｘ日鉱日石エネルギー株式会社 filed Critical Ｊｘ日鉱日石エネルギー株式会社
Priority to CN201480060034.8A priority Critical patent/CN105829511B/zh
Publication of WO2015064359A1 publication Critical patent/WO2015064359A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
    • C10M137/04—Phosphate esters
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy compounds
    • C10M2207/2835—Esters of polyhydroxy compounds used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/045—Metal containing thio derivatives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/08—Resistance to extreme temperature
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/40—Low content or no content compositions
    • C10N2030/42—Phosphor free or low phosphor content compositions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/64—Environmental friendly compositions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/12—Gas-turbines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/135—Steam engines or turbines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/30—Refrigerators lubricants or compressors lubricants

Definitions

  • the present invention relates to a lubricating oil composition having excellent thermal stability and load resistance.
  • the lubricating oil used in these machines is required to have excellent lubricating performance that can sufficiently guarantee the mechanical life over a long period even under high pressure, high speed, high load, and high temperature conditions.
  • Various additives are blended in the lubricating oil to enhance its performance, and dialkyldithiophosphoric acid (ZDTP) and tricresyl phosphate (TCP) have been conventionally used as antiwear additives.
  • ZDTP has problems in thermal oxidation stability under high-temperature and high-pressure conditions and hydrolysis stability due to water contamination, so it is difficult to obtain sufficient lubrication performance under severe conditions.
  • concerns about the use of zinc compounds such as ZDTP have increased.
  • TCP has a problem that it is inferior in terms of extreme pressure although it is excellent in thermal stability and hydrolysis stability as compared with ZDTP.
  • phosphorus-sulfur wear-resistant lubricating oil compositions combining sulfur compounds and phosphorus compounds have been developed.
  • a combination of sulfurized hydrocarbon and acidic phosphate ester, a combination of triaryl phosphorothioate and triaryl phosphate see Patent Document 1 below
  • a combination of thiophosphate and acidic phosphate ester see Patent Document 2 below
  • a combination of ⁇ -dithiophosphorylated propionic acid and triaryl phosphate see Patent Document 3 below
  • sulfur-containing compounds cause problems of corrosivity and odor
  • highly active acidic phosphates have problems such as hydrolysis stability.
  • the present invention has been made in view of such circumstances, and is useful in terms of environmental protection, safety, and practical performance of the lubricating oil. It is an object of the present invention to provide an ashless load-bearing lubricating oil composition having excellent extreme pressure and wear resistance even in a severe environment.
  • a lubricating oil composition obtained by blending a lubricating base oil with a phosphorus compound having a specific structure at a predetermined ratio, and completed the present invention. It came to do.
  • the present invention is a lubricating oil composition containing a lubricating base oil and a phosphorus compound represented by the formula (1) in an amount of 10 to 10,000 ppm by mass in terms of the total amount of the composition.
  • R 1 and R 2 represent a hydrocarbon group having 2 to 18 carbon atoms
  • R 3 represents a hydrocarbon group having 1 to 4 carbon atoms
  • R 4 represents a hydrogen atom or a hydrocarbon group having 1 or more carbon atoms.
  • the present invention further relates to the lubricating oil composition as described above, further containing 10 to 10,000 ppm by mass of the phosphorus compound represented by the formula (2) in terms of the total amount of the composition in terms of phosphorus.
  • R 5 , R 6 and R 7 are hydrogen atoms or hydrocarbon groups having 2 to 18 carbon atoms, and X 1 and X 2 are oxygen atoms or sulfur atoms.
  • the present invention also relates to the lubricating oil composition as described above, wherein the lubricating base oil is an ester of a carboxylic acid and a polyhydric alcohol.
  • a lubricating oil composition that is excellent in thermal stability, water resistance, extreme pressure resistance, and wear resistance in consideration of the environment.
  • a mineral base oil or a synthetic base oil is used as the lubricating base oil in the lubricating oil composition of the present invention. These may be a mixture.
  • mineral oil for example, a lubricating oil fraction obtained by subjecting crude oil to atmospheric distillation and vacuum distillation is subjected to solvent removal, solvent extraction, hydrocracking, solvent dewaxing, catalytic dewaxing, hydrorefining, sulfuric acid washing
  • paraffinic mineral oil or naphthenic mineral oil refined by appropriately combining one or more refining treatments such as white clay treatment may be mentioned.
  • Synthetic oils include, for example, poly- ⁇ -olefins, alkylbenzenes, alkylnaphthalenes, monoesters, diesters, polyesters, polyol esters, polyoxyalkylene glycols, polyphenyl ethers, dialkyldiphenyl ethers, phosphate esters, fluorine-containing compounds, silicone oils. These can be used, and these can be used alone or in combination of two or more.
  • the lubricating base oil is preferably an ester compound from the viewpoint of wear resistance of the additive, and particularly preferably a polyol ester of a carboxylic acid and a polyhydric alcohol.
  • the carboxylic acid may be a monobasic acid or a polybasic acid
  • the ester may be a complete ester or a partial ester.
  • polyhydric alcohol those having 2 to 10 valences, preferably 2 to 6 valences are usually used.
  • the polyhydric alcohol include ethylene glycol, diethylene glycol, polyethylene glycol (ethylene glycol 3-15 mer), propylene glycol, dipropylene glycol, polypropylene glycol (propylene glycol 3-15 mer), 1,3- Propanediol, 1,2-propanediol, 1,3-butanediol, 1,4-butanediol, 2-methyl-1,2-propanediol, 2-methyl-1,3-propanediol, 1,2- Dihydric alcohols such as pentanediol, 1,3-pentanediol, 1,4-pentanediol, 1,5-pentanediol, neopentyl glycol; glycerin, polyglycerin (diglycerin dimer to octamer, such as diglycerin,
  • a fatty acid having 2 to 24 carbon atoms is usually used as the monobasic acid.
  • the fatty acid may be linear or branched, and may be saturated or unsaturated. Specifically, acetic acid, propionic acid, butanoic acid, pentanoic acid, hexanoic acid, heptanoic acid, octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, tetradecanoic acid, pentadecanoic acid, hexadecanoic acid, heptadecanoic acid Saturated fatty acids such as acid, octadecanoic acid, nonadecanoic acid, icosanoic acid, henicosanoic acid, docosanoic acid, tricosanoic acid, tetracosanoic acid, acrylic acid, butenoic acid, pentenoic acid
  • polybasic acids examples include dibasic acids having 2 to 16 carbon atoms and trimellitic acid.
  • the dibasic acid having 2 to 16 carbon atoms may be linear or branched, and may be saturated or unsaturated. Specifically, ethanedioic acid, propanedioic acid, butanedioic acid, pentanedioic acid, hexanedioic acid, heptanedioic acid, octanedioic acid, nonanedioic acid, decanedioic acid, undecanedioic acid, dodecanedioic acid, tridecane Diacid, tetradecanedioic acid, heptadecanedioic acid, hexadecanedioic acid, hexenedioic acid, heptenedioic acid, octenedioic acid, nonenedioic acid, decenedioic acid,
  • the combination of the polyhydric alcohol and the carboxylic acid forming the ester is arbitrary and is not particularly limited.
  • the following esters may be mentioned, and these esters may be used alone or in combination of two or more.
  • the kinematic viscosity at 40 ° C. of the lubricating base oil is not particularly limited, but is preferably 5 to 300 mm 2 / s, more preferably 10 to 100 mm 2 / s, and still more preferably 15 to 70 mm 2 / s.
  • the kinematic viscosity at 40 ° C. of the lubricating base oil exceeds 300 mm 2 / s, the low-temperature viscosity characteristic deteriorates.
  • the kinematic viscosity is less than 5 mm 2 / s, an oil film is formed at the lubrication point. Insufficient lubrication results in poor lubricity and increases the evaporation loss of the lubricating base oil, which is not preferable.
  • the viscosity index of the lubricating base oil is not particularly limited, but is preferably 100 or more, more preferably 110 or more, still more preferably 120 or more, particularly preferably 140 or more, and preferably 240 or less, more preferably. 200 or less.
  • the viscosity index is not particularly limited, but is preferably 100 or more, more preferably 110 or more, still more preferably 120 or more, particularly preferably 140 or more, and preferably 240 or less, more preferably. 200 or less.
  • the lubricating oil composition of the present invention contains a phosphorus compound represented by the following general formula (1).
  • R 1 and R 2 are each independently a hydrocarbon group having 2 to 18 carbon atoms
  • R 3 is a divalent hydrocarbon group having 1 to 4 carbon atoms
  • R 4 is a hydrogen atom or carbon.
  • a hydrocarbon group having a number of 1 or more is shown.
  • R 1 and R 2 include an ethyl group, an n-propyl group, an isopropyl group, various butyl groups, various pentyl groups, various hexyl groups and other alkyl groups; a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, and a cyclohexyl group.
  • Cycloalkyl groups such as phenyl groups, aryl groups such as naphthyl groups, alkylaryl groups such as tolyl groups, ethylphenyl groups, and propylphenyl groups; arylalkyl groups such as benzyl groups, phenylethyl groups, and phenylpropyl groups be able to.
  • an alkyl group is preferable from the viewpoint of hydrolysis stability, and an alkyl group having 2 to 10 carbon atoms is particularly preferable.
  • Specific examples of R 3 include a methylene group, an ethylene group, a propylene group, and a butylene group.
  • Examples of the hydrocarbon group having 1 or more carbon atoms of R 4 include a methyl group and the aforementioned hydrocarbon groups having 2 to 18 carbon atoms.
  • the content of the phosphorus compound represented by the formula (1) is 10 to 10000 mass ppm in terms of the total amount of the composition and in terms of phosphorus.
  • the amount is preferably 30 to 5000 ppm by mass, more preferably 50 to 1000 ppm by mass, and still more preferably 100 to 500 ppm by mass. If the content of the phosphorus compound represented by the formula (1) is less than 10 ppm by mass in terms of the total amount of the composition and converted to phosphorus, sufficient effects cannot be obtained, and if it exceeds 10000 ppm by mass, the lubricating oil composition Since there is a tendency that the oxidative stability of the product is lowered, it is not preferable.
  • the lubricating oil composition of the present invention preferably further contains a phosphorus compound represented by the formula (2).
  • R 5 , R 6 and R 7 are each independently a hydrogen atom or a hydrocarbon group having 2 to 18 carbon atoms, and X 1 and X 2 are each independently an oxygen atom or a sulfur atom.
  • the hydrocarbon group for R 5 , R 6 and R 7 include alkyl groups such as ethyl group, n-propyl group, isopropyl group, various butyl groups, various pentyl groups, and various hexyl groups; cyclopropyl group, cyclobutyl Group, cyclopentyl group, cyclohexyl group and other cycloalkyl groups; phenyl group, naphthyl group and other aryl groups; tolyl group, ethylphenyl group, propylphenyl group and other alkylaryl groups; benzyl group, phenylethyl group, phenylpropyl group and the like And an arylalkyl group.
  • the content of the phosphorus compound represented by the formula (2) is 10 to 10000 mass ppm in terms of the total amount of the composition and in terms of phosphorus.
  • the amount is preferably 30 to 5000 ppm by mass, more preferably 50 to 1000 ppm by mass, and still more preferably 100 to 500 ppm by mass. If the content of the phosphorus compound represented by the formula (2) is less than 10 ppm by mass in terms of the total amount of the composition and converted to phosphorus, sufficient effects cannot be obtained, and if it exceeds 10000 ppm by mass, the lubricating oil composition Since there is a tendency that the oxidative stability of the product is lowered, it is not preferable.
  • the lubricating oil composition of the present invention can contain various additives as required as long as the effects of the present invention are not impaired.
  • additives include metal detergents, ashless dispersants, antioxidants, extreme pressure agents, antiwear agents, friction modifiers, pour point depressants, corrosion inhibitors, rust inhibitors, demulsifiers, metals
  • examples include an inactivating agent and an antifoaming agent. These additives may be used individually by 1 type, and may be used in combination of 2 or more type.
  • the lubricating oil composition of the present invention preferably contains a small amount of metal-containing additive such as ZDTP, and the sulfated ash content of the composition is preferably 0.5% by mass or less, and 0.1% by mass or less. It is particularly preferred.
  • the sulfated ash is JIS K 2272 5. The value measured by the method specified in “Testing method for sulfated ash” is shown.
  • the kinematic viscosity of the lubricating oil composition of the present invention is not particularly limited, but from the viewpoint of low temperature fluidity, the kinematic viscosity at 40 ° C. is preferably 100 mm 2 / s or less, and 80 mm 2 / s or less. Is more preferably 60 mm 2 / s or less, and particularly preferably 50 mm 2 / s or less.
  • the kinematic viscosity at 40 ° C. is preferably 5 mm 2 / s or more, more preferably 10 mm 2 / s or more, and further preferably 15 mm 2 / s or more.
  • Tables 1 and 2 list the amounts and performances of various lubricating base oils and additives. The amount of each additive added is based on the total amount of the lubricating oil composition (mass%). The performance of each composition obtained was evaluated by the tests shown below.
  • the lubricating oil composition of the present invention is useful because it does not contain a zinc compound such as ZDTP, has low environmental risk, and is excellent in thermal stability, water resistance, extreme pressure resistance, and wear resistance.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

La présente invention concerne une compositions d'huile lubrifiante présentant une remarquable stabilité thermique, une grande résistance à l'eau, de bonnes performances à très haute pression, une grande résistance à l'abrasion et qui se révèle, en outre, sans danger pour l'environnement. Ladite composition d'huile lubrifiante contient une huile de base pour huile lubrifiante et, également, un composé de phosphore représenté par la formule (1) à hauteur de 10 à 10 000 ppm en poids en termes de teneur en phosphore par rapport à la quantité totale de la composition. Dans la formule, R1 et R2 représentent indépendamment un groupe hydrocarboné comportant 2 à 18 atomes de carbone ; R3 représente un groupe hydrocarboné comportant 1 à 4 atomes de carbone ; et R4 représente un atome d'hydrogène ou un groupe hydrocarboné comportant au moins 1 atome de carbone.
PCT/JP2014/077390 2013-11-01 2014-10-15 Composition d'huile lubrifiante WO2015064359A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201480060034.8A CN105829511B (zh) 2013-11-01 2014-10-15 润滑油组合物

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013228567A JP6050213B2 (ja) 2013-11-01 2013-11-01 潤滑油組成物
JP2013-228567 2013-11-01

Publications (1)

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WO2015064359A1 true WO2015064359A1 (fr) 2015-05-07

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JP (1) JP6050213B2 (fr)
CN (1) CN105829511B (fr)
WO (1) WO2015064359A1 (fr)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2018021533A1 (fr) * 2016-07-28 2018-02-01 Ｊｘｔｇエネルギー株式会社 Huile pour machine frigorifique
CN111684053A (zh) * 2018-02-08 2020-09-18 引能仕株式会社 油压工作油组合物

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WO2016170707A1 (fr) * 2015-04-24 2016-10-27 Ｊｘエネルギー株式会社 Composition d'huile de graissage
JP6408953B2 (ja) * 2015-04-24 2018-10-17 Ｊｘｔｇエネルギー株式会社 潤滑油組成物
JP6796439B2 (ja) * 2016-09-20 2020-12-09 Ｅｎｅｏｓ株式会社 潤滑油組成物及び冷凍機用作動流体組成物
JP6796438B2 (ja) * 2016-09-20 2020-12-09 Ｅｎｅｏｓ株式会社 冷凍機油及び冷凍機用作動流体組成物
JP6951272B2 (ja) * 2018-02-08 2021-10-20 Ｅｎｅｏｓ株式会社 潤滑油用添加剤組成物及び潤滑油組成物
US20220106538A1 (en) * 2019-02-22 2022-04-07 Eneos Corporation Refrigerator oil and refrigerator working fluid composition

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Publication number Priority date Publication date Assignee Title
WO2018021533A1 (fr) * 2016-07-28 2018-02-01 Ｊｘｔｇエネルギー株式会社 Huile pour machine frigorifique
CN109072114A (zh) * 2016-07-28 2018-12-21 Jxtg能源株式会社 冷冻机油
CN111684053A (zh) * 2018-02-08 2020-09-18 引能仕株式会社 油压工作油组合物

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